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MHT CET Medical202621 April 2026Morning ShiftBiologySexual Reproduction in Flowering PlantsActual

In adventive polyembryony, an embryo develops directly from the diploid cell of ------------------------------.

Options

  1. Azygote and nucellus
  2. Bnucellus and integuments
  3. Cinteguments and zygote
  4. Dmegaspore mother cell and nucellus

Correct answer

B. nucellus and integuments

Step-by-step solution

Adventive polyembryony is a type of apomixis in which extra embryos develop directly from the diploid sporophytic cells of the ovule lying outside the embryo sac. These diploid cells typically belong to the nucellus or the integuments. Examples include Citrus and Mangifera, where nucellar or integumentary cells protrude into the embryo sac and develop into embryos. Answer: nucellus and integuments

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